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Finding the Fourth Proportional to 16,754.64, 25,231.59 and 14,589.51

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Solution

The fourth proportional to 16,754.64, 25,231.59 and 14,589.51 is: 21,971.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,754.64 : 25,231.59 = 14,589.51 : x
  2. Step 2: Convert to fraction form
    16,754.64/25,231.59 = 14,589.51/x
  3. Step 3: Cross multiply
    16,754.64x = 25,231.59 × 14,589.51
  4. Step 4: Simplify right side
    16,754.64x = 368,116,534.62
  5. Step 5: Solve for x
    x = 368,116,534.62/16,754.64
  6. Step 6: Final answer
    x = 21,971.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.